Sierra Nevada Corporation (SNC) announces the completion of the Dream Chaser Space System tow testing at NASA's Dryden Flight Research Center in Edwards, Calif. The ground tow tests were conducted in preparation for the upcoming approach and landing test scheduled for the third quarter 2013.

New Status: Extravehicular Activity (EVA) Mobility Unit (EMU) Troubleshooting: Flight Engineer (FE)-3 Cassidy and FE-6 Nyberg performed a series of EMU troubleshooting steps on EMU 3011 to investigate the likely causes of the water issue experienced by FE-5 Parmitano during EVA 23.

NASA has appointed a board to investigate the July 16 early termination of a spacewalk outside the International Space Station, develop a set of lessons learned from the incident and suggest ways to prevent a similar problem in the future.

NASA astronauts Serena Aunon and Randy Bresnik conducted flight suit evaluations inside a fully outfitted test version of The Boeing Company's CST-100 spacecraft July 22, the first time the world got a glimpse of the crew capsule's interior.

NASA Television will provide live coverage of the departure of one Russian cargo spacecraft from the International Space Station (ISS) on Thursday, July 25 and the launch and docking of another to the station Saturday, July 27.

European Space Agency astronaut Luca Parmitano, Expedition 36 flight engineer, attired in an Extravehicular Mobility Unit (EMU) spacesuit, participates in a session of extravehicular activity (EVA) as work continues on the International Space Station.